one, obama has tons more offices than he does. and that's the second problem is that obama has done this before. and it's not just about the amount of offices you have or the amount of phone calls you make or the amount of doors you knock on. it's about figuring out how you can get voters out there. not just your base, but what they call sporadic voters. people who aren't politically engaged and you do that in fairly nuanced ways. you know people in churches and community groups and they can vouch for the obama chain rather